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PFC 7700.39.25.34 rear brake pads with 39 Compound deliver blistering bite and ultra‑stable braking for Porsche 991/992 GT3 R. Ideal for sprint and semi‑endurance GT, TCR, NASCAR, and rally applications, these pads offer maximum torque, excellent wear, and a firm, confidence‑inspiring pedal. Compatible with top GT racing platforms including Porsche 991/992 GT3 R, Ferrari 488 GT3/GTE, Audi R8 LMS GT3, BMW M4 GT3, Lamborghini Huracán GT3, and Mercedes-AMG GT3. Trusted across IMSA, WEC, and SRO championships.
For drivers pushing Porsche 991/992 GT3 R cars to the limit, PFC’s 39 Compound rear brake pads (part number 7700.39.25.34) deliver track‑hardened performance and durability. This newest PFC compound is engineered specifically for sprint and semi‑endurance scenarios—perfect for GT, TCR, NASCAR, or rally stages.
Boasting the highest average torque in the PFC lineup, 39 Compound provides ferocious initial bite coupled with rock‑steady release and modulation—crucial for high‑downforce braking zones. A firm pedal feel gives immediate driver feedback, while virtually no torque rise with temperature ensures consistency throughout sessions.
Recommended OEM fitments include Porsche 991 GT3 R (2019–), 992 GT3 R (2023–), and Porsche RSR GTE models—making 7700.39.25.34 the go‑to option for pro teams and serious racers seeking maximum stopping power without compromise.
Common Fitments:
| Make | Model / Application | Notes |
|---|---|---|
| Alpine | A110 Cup / GT4 – Rear | Race – 25mm |
| Aston Martin | Vantage GT3 (inc endurance) – Rear (2018–23) | Race – 25mm |
| Audi | R8 LMS GT3 (2016–) – Rear | Race – 25mm |
| Audi | R8 LMS GT2 / GT4 (2022–) – Rear | Race – 25mm |
| Bentley | Continental GT3 (inc endurance) – Rear | Race – 25mm |
| BMW | M4 GT3 / GT4 (2023–) – Rear | Race – 25mm |
| BMW | M8 GTE – Rear | Race – 25mm |
| Chevrolet | Corvette C7 GT3 – Rear | Race – 25mm |
| Ferrari | 296 GT3 (2023–) – Rear | Race – 25mm |
| Ferrari | 355 (Challenge 1993–) – Front & Rear F355 | Race – 25mm |
| Ferrari | 360 / 430 / 458 | Race – 25mm |
| Ferrari | 458 (GT2 / GT3 Sprint & Endurance) | Race – 25mm |
| Ferrari | 488 (GT3 Sprint & Endurance) | Race – 25mm |
| Ferrari | 488 2017– (GTE) | Race – 25mm |
| Ford | Mustang GT3 (2022–) – Front | Race – 25mm |
| Honda | NSX GT3 (2022–) – Rear | Race – 25mm |
| KTM | Xbow GT4 (2015–) – Rear | Race – 25mm |
| Lamborghini | Gallardo GT3 / LP600 (2012) – Rear | Race – 25mm |
| Lamborghini | Huracán GT3 – Rear | Race – 25mm |
| Lamborghini | SuperTrofeo – Rear | Race – 25mm |
| Lexus | RC F GT3 – Rear | Race – 25mm |
| Lotus | Evora | Race – 25mm |
| McLaren | 650S GT3 (2015–) – Rear | Race – 25mm |
| McLaren | MP4-12C GT3 (2013–) – Rear | Race – 25mm |
| Mercedes-AMG | GT2 | Race – 25mm |
| Mercedes-AMG | SLR / SLS (Sprint) GT3 / GT4 | Race – 25mm |
| Mercedes-AMG | SLR / SLS (Endurance) GT3 / GT4 | Race – 25mm |
| NASCAR | — | 20mm / 25mm |
| Porsche | 991 GT3 R (2019–) – Rear | Race – 25mm |
| Porsche | 991 RSR GTE (2017–) – Rear | Race – 25mm |
| Porsche | 992 GT3 R (2023–) | Race – 25mm |
| Porsche | 996 GT3/RS (1998–04 inc Sprint) – Rear | Race – 25mm |
| Porsche | 997 GT2 (2007– Sprint & Endurance) – Rear | Race – 25mm |
| Porsche | 997 GT3 Grand AM / R / RSR (2007–) – Rear | Race – 25mm |
| Riley & Scott | Mark III | Race – 25mm |
| Toyota | Supra GT4 | Race – 25mm |
We offer free UPS Ground shipping for most products on orders over $100 within the Continental U.S. purchased at list/retail pricing.
Larger items (e.g., seats, fuel jugs) and overweight items (e.g., brake rotors),
as well as discounted special offers
, may incur an additional shipping charge.
If additional shipping charges are required, we will contact you to confirm prior
to processing your order.
If the order is received by , we can usually ship it the same day. Delivery is typically within 3–5 business days, depending on the destination. Expedited shipping may be available depending on the item.
Orders are not processed or shipped on Saturday or Sunday, except by prior arrangement.
Once your order ships, you will receive a confirmation email with a tracking number.
We cannot guarantee exact delivery dates and are subject to carrier performance. Please contact us for pricing and availability if you require expedited shipping.
